249886 (2001 RY11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2834021303 ± 1.12e-08
Semi-major axis (a)1.4831115635 AU ± 1.29e-09
Inclination (i)22.84554453° ± 9.25e-07
Long. of Asc. Node (Ω)295.48628611° ± 2.38e-06
Arg. of Perihelion (ω)71.55379412° ± 4.08e-06
Mean Anomaly (M)124.76848123° ± 7.04e-06
Mean Motion (n)0.5456969729°/day ± 7.10e-10
Perihelion dist (q)1.06279459 AU ± 1.67e-08
Aphelion dist (Q)1.90342854 AU ± 1.67e-08
Orbital Period1.80617876 yr ± 2.35e-09
Physical Parameters
H (abs. magnitude)17.62
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.065″
Uncertainty0
Orbit TypeAmor
MOID0.196453 AU
Observations Used1443
Gaia Obs Used44
Oppositions11
Arc Total1992-2017
First Observation Used1992-08-03
Last Observation Used2024-05-09
Observations (2399)
Date Type RA Dec Mag Band Observatory
2021-12-26 17:13:55 s 1 -148799.72 4 +282358.28 3080.0 C57
2021-12-26 17:23:55 S 09 09 47.784 +26 03 36.25 V C57
2021-12-26 17:23:55 s 1 -149041.36 0 +281886.44 9290.0 C57
2021-12-26 17:33:55 S 09 09 46.315 +26 03 29.16 V C57
2021-12-26 17:33:55 s 1 -149282.37 8 +281413.46 2540.0 C57
2021-12-26 18:03:55 S 09 09 42.840 +26 02 59.24 V C57
2021-12-26 18:03:55 s 1 -150001.70 5 +279987.53 4400.0 C57
2021-12-26 18:13:55 S 09 09 41.448 +26 02 46.75 V C57
2021-12-26 18:13:55 s 1 -150240.23 0 +279509.90 5690.0 C57
2021-12-26 18:23:55 S 09 09 40.531 +26 02 36.28 V C57
2021-12-26 18:23:55 s 1 -150478.12 5 +279031.11 3960.0 C57
2021-12-26 18:43:55 S 09 09 37.747 +26 02 13.96 V C57
2021-12-26 18:43:55 s 1 -150952.01 3 +278070.03 1400.0 C57
2021-12-26 18:53:55 S 09 09 36.382 +26 02 05.46 V C57
2021-12-26 18:53:55 s 1 -151188.00 2 +277587.75 540.0 C57
2021-12-26 19:03:55 S 09 09 35.585 +26 02 00.89 V C57
2021-12-26 19:03:55 s 1 -151423.35 1 +277104.29 6620.0 C57
2021-12-26 19:13:55 S 09 09 34.346 +26 01 47.89 V C57
2021-12-26 19:13:55 s 1 -151658.05 6 +276619.67 9630.0 C57
2021-12-26 19:23:55 S 09 09 33.161 +26 01 42.35 V C57
2021-12-26 19:23:55 s 1 -151892.11 6 +276133.88 9540.0 C57
2021-12-26 19:43:55 S 09 09 30.828 +26 01 19.02 V C57
2021-12-26 19:43:55 s 1 -152358.28 6 +275158.79 60.0 C57
2021-12-26 19:46:32 C 09 09 11.08 +25 58 24.2 V D29
2021-12-26 19:53:55 S 09 09 29.964 +26 01 10.85 V C57
2021-12-26 19:53:55 s 1 -152590.39 2 +274669.49 630.0 C57
2021-12-26 20:13:55 S 09 09 27.161 +26 00 51.59 V C57
2021-12-26 20:13:55 s 1 -153052.63 0 +273687.36 2360.0 C57
2021-12-26 20:23:02 C 09 09 07.00 +25 57 49.2 V D29
2021-12-26 20:23:55 S 09 09 26.129 +26 00 40.57 V C57
2021-12-26 20:23:55 s 1 -153282.75 7 +273194.54 3490.0 C57
2021-12-26 20:43:55 S 09 09 24.072 +26 00 18.14 V C57
2021-12-26 20:43:55 s 1 -153741.01 4 +272205.36 6210.0 C57
2021-12-26 20:59:32 C 09 09 02.93 +25 57 14.1 V D29
2021-12-26 21:43:55 S 09 09 16.766 +25 59 16.01 V C57
2021-12-26 21:43:55 s 1 -155099.59 8 +269209.52 7200.0 C57
2021-12-26 21:53:55 S 09 09 15.715 +25 59 13.67 V C57
2021-12-26 21:53:55 s 1 -155323.63 9 +268706.07 9310.0 C57
2021-12-26 22:03:55 S 09 09 14.095 +25 58 57.22 V C57
2021-12-26 22:03:55 s 1 -155546.98 9 +268201.43 8130.0 C57
2021-12-26 22:13:55 S 09 09 13.195 +25 58 46.24 V C57
2021-12-26 22:13:55 s 1 -155769.64 6 +267695.61 3650.0 C57
2021-12-26 22:23:55 S 09 09 11.842 +25 58 38.42 V C57
2021-12-26 22:23:55 s 1 -155991.60 6 +267188.61 5860.0 C57
2021-12-26 23:03:55 S 09 09 07.346 +25 58 00.44 V C57
2021-12-26 23:03:55 s 1 -156872.42 4 +265148.68 1290.0 C57
2021-12-26 23:13:55 S 09 09 06.178 +25 57 50.65 V C57
2021-12-26 23:13:55 s 1 -157090.85 8 +264635.71 6730.0 C57
2021-12-26 23:33:55 S 09 09 03.562 +25 57 25.31 V C57
2021-12-26 23:33:55 s 1 -157525.58 0 +263606.20 7430.0 C57